Maxon GPTWR-3 SERIES Maintenance Manual

Brand: Maxon

Model: GPTWR-3 SERIES

Type: Maintenance Manual

Maxon GPTWR-3 SERIES is a reliable liftgate designed to enhance productivity and safety during loading and unloading operations. With a lifting capacity of up to 3,000 lbs., it effortlessly handles heavy cargo, making it suitable for various commercial applications. The GPTWR-3 SERIES stands out with its durable aluminum platform, ensuring longevity and resistance to corrosion.

M-06-16

JULY 2006

MAINTENANCE

MANUAL

LIFT CORP.

11921 Slauson Ave.

Santa Fe Springs, CA. 90670

CUSTOMER SERVICE:

TELEPHONE (562) 464-0099 TOLL FREE (800) 227-4116

FAX: (888) 771-7713

WARRANTY/ RMA POLICY & PROCEDURE

NOTE: For latest version of all Manuals (and replacements), download the

Manuals from Maxon’s website at www.maxonlift.com.

LIFTGATE WARRANTY

Type of Warranty: Full Parts and Labor

Term of Warranty: Standard Liftgates - 2 years from ship date or 6,000 cycles

Premium Liftgates - 2 years from ship date or 10,000 cycles

This warranty shall not apply unless the product is installed, operated and maintained in accordance with MAXON Lift’s speciﬁ cations as set forth in

MAXON Lift’s Installation, Operation and Maintenance manuals. This warranty does not cover normal wear, maintenance or adjustments, damage or

malfunction caused by improper handling, installation, abuse, misuse, negligence, or carelessness of operation. In addition, this warranty does not

cover equipment that has had unauthorized modiﬁ cations or alterations made to the product.

MAXON agrees to replace any components which are found to be defective during the ﬁ rst 2 years of service, and will reimburse for labor based on

MAXON’s Liftgate Warranty Flat Rate Schedule. (Copy of the Flat Rate is available at www.maxonlift.com.)

All warranty repairs must be performed by an authorized MAXON warranty facility. For any repairs that may exceed $500, including parts and labor,

MAXON’s Technical Service Department must be notiﬁ ed and an “Authorization Number” obtained.

All claims for warranty must be received within 30 Days of the repair date, and include the following information:

1. Liftgate Model Number and Serial Number

2. The End User must be referenced on the claim

3. Detailed Description of Problem

4. Corrective Action Taken, and Date of Repair

5. Parts used for Repair, Including MAXON Part Number(s)

6. MAXON R.M.A. # and/or Authorization # if applicable (see below)

7. Person contacted at MAXON if applicable

8. Claim must show detailed information I.e. Labor rate and hours of work performed

Warranty claims can also be placed on-line at www.maxonlift.com. On-line claims will be given priority processing.

All claims for warranty will be denied if paperwork has not been received or claim submitted via Maxon website for processing by MAXON’s Warranty

Department within 30 days of repair date.

All components may be subject to return for inspection, prior to the claim being processed. MAXON products may not be returned without prior written

approval from MAXON’s Technical Service Department. Returns must be accompanied by a copy of the original invoice or reference with original

invoice number and are subject to a credit deduction to cover handling charges and any necessary reconditioning costs. Unauthorized returns will be

refused and will become the responsibility of the returnee.

Any goods being returned to MAXON Lift must be pre-approved for return, and have the R.M.A. number written on the outside of the package in plain

view, and returned freight prepaid. All returns are subject to a 15% handling charge if not accompanied by a detailed packing list. Returned parts are

subject to no credit and returned back to the customer.

Defective Parts requested for return must be returned within 30 days of the claim date for consideration to:

MAXON Lift Corp.

16205 Distribution Way, Cerritos, CA 90703

Attn: RMA#__

MAXON’s warranty policy does not include the reimbursement for travel time, towing, vehicle rental, service calls, oil, batteries or loss of income due to

downtime. Fabrication or use of non Maxon parts, which are available from MAXON, are also not covered.

MAXON’s Flat Rate Labor Schedule takes into consideration the time required for diagnosis of a problem.

All Liftgates returned are subject to inspection and a 15% restocking fee. Any returned Liftgates or components that have been installed or not returned

in new condition will be subject to an additional reworking charge which will be based upon the labor and material cost required to return the Liftgate or

component to new condition.

PURCHASE PART WARRANTY

Term of Warranty: 1 Year from Date of Purchase.

Type of Warranty: Part replacement only MAXON

will guarantee all returned genuine MAXON replacement parts upon receipt and inspection of parts and original invoice.

All warranty replacements parts will be sent out via ground freight. If a Rush Shipment is requested all freight charges will be billed to the requesting

party.

TABLE OF CONTENTS

WARNINGS ........................................................................................................................... 6

LIFTGATE TERMINOLOGY .................................................................................................7

PERIODIC MAINTENANCE .................................................................................................. 8

PERIODIC MAINTENANCE CHECKS ..............................................................................................8

PERIODIC MAINTENANCE CHECKLIST ........................................................................................9

CHECKING HYDRAULIC FLUID ....................................................................................................10

CHANGING HYDRAULIC FLUID ...................................................................................................12

REPLACING PLATFORM TORSION SPRING ............................................................................. 13

PLATFORM ADJUSTMENT ............................................................................................................14

PARTS BREAKDOWN .......................................................................................................16

MAIN ASSEMBLY (ALUMINUM PLATFORM) ...............................................................................16

EXTENSION PLATE ASSEMBLY ................................................................................................... 17

MAIN FRAME ASSEMBLY .............................................................................................................. 18

PLATFORM & FLIPOVER ASSEMBLY (ALUMINUM) ..................................................................22

PLATFORM ASSEMBLY (ALUMINUM) ......................................................................................... 24

DOCK BUMPER ..............................................................................................................................26

HYDRAULIC COMPONENTS - POWER DOWN ......................................................................... 28

POWER UNIT - POWER DOWN....................................................................................................30

PUMP BOX ASSEMBLY - POWER DOWN ................................................................................... 32

CONTROL SWITCH AND POWER CABLE .................................................................................. 33

DECALS ...........................................................................................................................................34

SYSTEM DIAGRAMS .........................................................................................................38

HYDRAULIC SCHEMATIC - POWER DOWN ............................................................................... 38

ELECTRICAL SCHEMATIC - POWER DOWN ............................................................................. 39

TROUBLESHOOTING ........................................................................................................ 40

PLATFORM WILL NOT RAISE ....................................................................................................... 40

PLATFORM RAISES BUT LEAKS DOWN .................................................................................... 41

PLATFORM RAISES PARTIALLY AND STOPS ............................................................................ 42

LIFTGATE WILL NOT LIFT RATED CAPACITY ............................................................................ 43

PLATFORM RAISES SLOWLY ....................................................................................................... 44

PLATFORM WILL NOT LOWER, LOWERS TOO SLOWLY, OR LOWERS TOO QUICKLY ..... 46

PLATFORM WON’T TILT DOWN TO THE GROUND ...................................................................48

11921 Slauson Ave. Santa Fe Springs, CA. 90670 (800) 227-4116 FAX (888) 771-7713

• Keep decals clean and legible. If decals are defaced or missing, replace them. Free replacement

decals are available from Maxon Parts Department.

• Consider the safety and location of bystanders and location of nearby objects when operating the

Liftgate. Stand to one side of the platform while operating the Liftgate

• Do not stand under, or allow obstructions under the platform when lowering the Liftgate. Be sure

your feet are clear of the Liftgate.

• Keep ﬁ ngers, hands, arms, legs, and feet clear of moving Liftgate parts (and platform

edges) when operating the Liftgate.

• Wear appropriate safety equipment such as protective eyeglasses, faceshield and clothing while

performing maintenance on the Liftgate and handling the battery. Debris from drilling and contact

with battery acid may injure unprotected eyes and skin.

• Disconnect Liftgate power cable from battery before repairing or servicing Liftgate.

• Do not allow untrained persons to operate the Liftgate.

• Be careful working by an automotive type battery. Make sure the work area is well ventilated and

there are no ﬂ ames or sparks near the battery. Never lay objects on the battery that can short the

terminals together. If battery acid gets in your eyes, immediately seek ﬁ rst aid. If acid gets on your

skin, immediately wash it off with soap and water.

• If an emergency situation arises (vehicle or Liftgate) while operating the Liftgate, release the con-

trol Toggle Switch and the Liftgate will stop.

Comply with the following WARNINGS while maintaining Liftgates. See Operation Manual

for operating safety requirements.

• Read and understand the instructions in this Maintenance Manual before performing mainte-

nance on the Liftgate.

• Before operating the Liftgate, read and understand the operating instructions in Operation

Manual.

• Comply with all WARNING and instruction decals attached to the Liftgate.

• A correctly installed Liftgate operates smoothly and reasonably quiet. The only noticeable noise

during operation comes from the pump unit while the platform is raised. Listen for scraping, grating

and binding noises and correct the problem before continuing to operate Liftgate.

• If it is necessary to stand on the platform while maintaining the Liftgate, keep your feet and any

objects clear of the inboard edge of the platform. Your feet or objects on the platform could be

trapped between the platform and the Liftgate extension plate.

• Never perform unauthorized modiﬁ cations on the Liftgate. Modiﬁ cations may result in early failure

of the Liftgate and may create hazards for Liftgate operators and maintainers.

• Use only Maxon Authorized Parts for replacement parts. Provide Liftgate model and serial

number information with your parts order. Order replacement parts from:

WARNINGS

• Correctly stow platform when not in use. Extended platforms could create a hazard for

people and vehicles passing by.

MAXON LIFT CORP. Customer Service

11921 Slauson Ave., Santa Fe Springs, CA 90670

Phone: (800) 227-4116

• To order parts by e-mail, submit orders to [email protected].

WARNINGS

11921 Slauson Ave. Santa Fe Springs, CA. 90670 (800) 227-4116 FAX (888) 771-7713

LIFTGATE TERMINOLOGY

LIFT

ARM

CONTROL

SWITCH

PARALLEL

ARM

LIFT

CYLINDER

EXTENSION

PLATE

PUMP

BOX

MAIN

FRAME

PLATFORM

WEDGE FLIPOVER

TORSION

SPRING

DOCK

BUMPER

RAMP BOX

HYDRAULIC

LOCK

ICC

BUMPER

PLATFORM

OPENER

11921 Slauson Ave. Santa Fe Springs, CA. 90670 (800) 227-4116 FAX (888) 771-7713

PERIODIC MAINTENANCE CHECKS

Never operate the Liftgate if parts are loose or missing.

WARNING

NOTE: Make sure Vehicle is parked on level ground while performing the

maintenance checks.

Quarterly or 1250 Cycles (whichever occurs ﬁ rst)

Semi-annually or 2500 Cycles (whichever occurs ﬁ rst)

Visually check the Platform Hinge Pins for excessive wear and broken welds. See PARTS

BREAKDOWN section for replacement parts. Also, do the Quarterly or 1250 Cycles

maintenance checks.

Check the Hydraulic Fluid level in the Pump Reservoir. Refer to the CHECKING

HYDRAULIC FLUID procedure in the PERIODIC MAINTENANCE section.

If Hydraulic Fluid appears contaminated, refer to the CHANGING HYDRAULIC FLUID

procedure in the PERIODIC MAINTENANCE section.

Keep track of the grade of Hydraulic Fluid in the Pump Reservoir and never mix two differ-

ent grades of ﬂ uid.

Check electrical wiring for chaﬁ ng and make sure wiring connections are tight and free of

corrosion. Use Dielectric Grease to protect electrical connections.

Check that all WARNING and instruction decals are in place. Also make sure decals are

readable and decals are clean and undamaged.

Check that all bolts, nuts, and roll pins are in place. Make sure roll pins protrude evenly

from both sides of Hinge Pin collar. Replace fasteners and roll pins if necessary.

Check for rust and oily surfaces on Liftgate. If there is rust or oil on Liftgate or if the Liftgate

is dirty, clean it off. Touch up the paint where bare metal is showing.

PERIODIC MAINTENANCE

Check all Hoses and Fittings for chaﬁ ng and ﬂ uid leaks. Make sure Hydraulic Lock is in

place and undamaged. Replace if necessary.

11921 Slauson Ave. Santa Fe Springs, CA. 90670 (800) 227-4116 FAX (888) 771-7713

PERIODIC MAINTENANCE CHECKLIST

Quarterly or 1250 Cycles (whichever occurs ﬁ rst)

Semi-annually or 2500 Cycles (whichever occurs ﬁ rst)

NOTE: Make sure Vehicle is parked on level ground while performing maintenance

checks.

Visually check the Platform Hinge Pins for excessive wear and broken welds.

Do the Quarterly or 1250 Cycles Checks on this Checklist.

Check the level and condition of the Hydraulic Fluid .

Visually check all Hoses and Fittings for chaﬁ ng and ﬂ uid leaks. Make sure Hydraulic

Lock is in place and undamaged. Tighten loose ﬁ ttings or replace parts as required.

Check electrical wiring for chaﬁ ng and make sure wiring connections are tight and free

of corrosion. Use Dielectric Grease to protect electrical connections.

Check that all WARNING and instruction decals are in place. Also make sure decals

are readable and decals are clean and undamaged.

Check that all bolts, nuts, and roll pins are in place. Make sure roll pins protrude evenly

from both sides of Hinge Pin collar. Replace fasteners and roll pins if necessary.

Check for rust and oily surfaces on Liftgate. If there is rust or oil on Liftgate or if the Lift-

gate is dirty, clean it off. Touch up the paint where bare metal is showing.

11921 Slauson Ave. Santa Fe Springs, CA. 90670 (800) 227-4116 FAX (888) 771-7713

CAUTION

Keep dirt, water and other contaminants from entering the hydraulic system.

Before opening the hydraulic ﬂ uid reservoir ﬁ ller cap, drain plug and hydrau-

lic lines, clean up contaminants that can get in the openings. Also, protect the

openings from accidental contamination.

PERIODIC MAINTENANCE

+70 to +140 Degrees F - Grade ISO 32

+40 to +105 Degrees F - Grade ISO 15

Below + 70 Degrees F - Grade ISO 10 or MIL-H-5606

NOTE: Use correct grade of hydraulic ﬂ uid for your location.

See TABLES 11-1, 11-2 & 11-3, on page 13, for recommended brands.

CHECKING HYDRAULIC FLUID

CHECKING HYDRAULIC

FLUID LEVEL

FIG. 10-1

PUMP

RESERVOIR

DECAL

(FLUID LEVEL)

NOTE: If the Hydraulic Fluid in the

Reservoir is contaminated, do

the CHANGING HYDRAULIC

FLUID procedure in this section.

FILLER

CAP

2. Remove the Filler Cap (FIG. 10-1).

3. Check the Hydraulic Fluid level in

the Pump Reservoir (FIG. 10-1). If

ﬂ uid is below FILL LEVEL shown on

Decal on the Pump Reservoir (FIG.

10-1), add ﬂ uid to the FILL LEVEL.

4. Reinstall the Filler Cap (FIG. 10-1).

1. Lower the Platform to ground level and

make sure Platform is unfolded.

11921 Slauson Ave. Santa Fe Springs, CA. 90670 (800) 227-4116 FAX (888) 771-7713

ISO-10 OR MIL-H-5606 HYDRAULIC FLUID

RECOMMENDED BRANDS PART NUMBER

AMSOIL N/A

CHEVRON FLUID A, FLUID G

KENDALL GLACIAL BLU

SHELL AEROSHELL FLUID-41

EXXON UNIVIS HVI-13

MOBIL AERO HFA

ROSEMEAD THS FLUID 17111

TABLE 11-2

TABLE 11-3

ISO 15 HYDRAULIC OIL

RECOMMENDED BRANDS PART NUMBER

AMSOIL AWF-05

CHEVRON FLUID A, AW-MV-15

KENDALL GLACIAL BLU

SHELL TELLUS T-15

EXXON UNIVIS HVI-13

MOBIL DTE-11M

ROSEMEAD THS FLUID 17111

TABLE 11-1

ISO 32 HYDRAULIC OIL

RECOMMENDED BRANDS PART NUMBER

AMSOIL AWH-05

CHEVRON HIPERSYN 32

KENDALL GOLDEN MV

SHELL TELLUS T-32

EXXON UNIVIS N-32

MOBIL

DTE-13M, DTE-24, HY-

DRAULIC OIL-13

11921 Slauson Ave. Santa Fe Springs, CA. 90670 (800) 227-4116 FAX (888) 771-7713

CAUTION

Keep dirt, water and other contaminants from entering the hydraulic system.

Before opening the hydraulic ﬂ uid reservoir ﬁ ller cap, drain plug and hydrau-

lic lines, clean up contaminants that can get in the openings. Also, protect the

openings from accidental contamination.

PERIODIC MAINTENANCE

+70 to +140 Degrees F - Grade ISO 32

+40 to +105 Degrees F - Grade ISO 15

Below + 70 Degrees F - Grade ISO 10 or MIL-H-5606

NOTE: Use correct grade of hydraulic ﬂ uid for your location.

See TABLES 11-1, 11-2 & 11-3 on previous page for recommended brands.

CHANGING HYDRAULIC FLUID

1. Place empty 5 Gallon Bucket under Drain Plug.

2. Open and raise Platform to vehicle bed height.

Remove the Drain Plug (FIG. 12-1). Drain

hydraulic ﬂ uid.

3. Disconnect the White Wire (FIG. 12-2) from

Motor Solenoid. Lower the Platform while

draining the remaining hydraulic ﬂ uid from

system. Re-install Drain Plug. Reconnect the

White Wire to Motor Solenoid.

4. Remove Filler Cap (FIG. 12-2) and reﬁ ll

reservoir to the level shown on decal.

FIG. 12-1

FIG. 12-2

5. Raise Platform to vehicle bed

height. Check hydraulic ﬂ uid again

and, if needed, add more hydraulic

ﬂ uid (FIG. 12-2).

6. Reinstall Filler Cap (FIG. 12-2).

NOTE: To prevent spills, drain used hydraulic ﬂ uid through a funnel into waste ﬂ uid container.

DRAIN

PLUG

PUMP BOX

MOTOR

SOLENOID

WHITE WIRE

FILLER

CAP

DECAL

(FLUID LEVEL)

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REPLACING PLATFORM TORSION SPRING

PERIODIC MAINTENANCE

NOTE: The following procedure shows how to replace Torsion Spring on RH side of

Platform. Use this procedure for replacing Torsion Spring on the LH Side.

FIG. 13-1

FIG. 13-2

6. Operate the Liftgate to make

sure it operates correctly.

CAUTION

1. Manually fold Flipover onto Platform.

2. Raise Platform to a convenient work height

to gain access and release tension on the

Torsion Spring.

3. Unbolt Hinge Pin from Hinge Bracket

(FIG. 13-1). Remove bolt and lock nut.

Drive the Hinge Pin inboard toward the

Shackle with a hammer and pin punch,

just enough to free the torsion spring

(FIG. 13-1). Remove spring from

Shackle.

4. Install the Torsion Spring as shown in

FIG. 13-2. Make sure the long leg

of the spring is inserted in the bracket

located on Shackle (FIG. 13-2). Make

sure the short end of the spring is vis-

ible and resting against the edge of the

Hinge Bracket (FIG. 13-2).

5. Drive the Hinge Pin into correct posi-

tion (FIG. 5) through the Hinge Brack-

et with a hammer and pin punch. Line

up the bolt hole in the Hinge Pin with

the hole in the Hinge Bracket. Bolt the

Hinge Pin to Hinge Bracket with bolt

and lock nut (FIG. 5).

HINGE PIN

TORSION

SPRING

BOLT

SHACKLE

LOCK

NUT

PLATFORM

(REFERENCE)

HINGE

BRACKET

HINGE PIN

BOLT &

LOCK NUT

SHACKLE

LONG

LEG

PLATFORM

(REFERENCE)

HINGE

BRACKET

SHORT

LEG

BRACKET

To prevent injury and equipment dam-

age, make sure there is no tension on

torsion spring before removing hinge pin.

11921 Slauson Ave. Santa Fe Springs, CA. 90670 (800) 227-4116 FAX (888) 771-7713

PLATFORM ADJUSTMENT

NOTE: Before doing the following proce-

dure, make sure vehicle is parked

on level ground.

PLATFORM EDGE AT OR

ABOVE BED LEVEL

FIG. 14-1

LEVEL LINE

1. With the Platform and Flipover unfolded,

RAISE Platform to bed level (FIG. 14-

1). Measure how much the outboard

edge of Platform rises above bed level

(FIG. 14-1). The outboard edge must

be level or a maximum of 2” above bed

level (FIG. 14-1). If indication is correct,

Liftgate is installed correctly and no ad-

justment is needed. If the outboard edge

is below bed level, do instructions 2,3, and

6. If outboard edge is higher than 2”, do

instructions 4 through 6.

3. Weld shims (Parts Bag item) on both

Platform Stops (FIG. 14-3) to raise

outboard edge of Platform to correct

position.

PLATFORM EDGE BELOW BED LEVEL

FIG. 14-2

LEVEL LINE

OUTBOARD EDGE

0” (LEVEL) - 2” MAX.

VEHICLE

FLOOR (REF)

EXTENSION

PLATE (REF)

“A”

SHACKLE

(REF)

WELDING SHIMS (CURBSIDE SHOWN)

FIG. 14-3

“W”

(TABLE 14-1)

TABLE 14-1

RAISE PLATFORM

EDGE (OUTBOARD)

THIS DISTANCE (“A”)

REQUIRED SHIM

THICKNESS

WELD SIZE

“W”

1” 1/16” 1/16”

2” 1/8” 1/8”

3” 3/16” 3/16”

4” 1/4” 1/4”

NEW SHIM

(TABLE 14-1)

2 PLACES

2. Compare measurement “A” (FIG.

14-2), with the distances and shims

in TABLE 14-1. For example: If

Measurement “A” (FIG. 14-2) is

1” below level and you want to raise

outboard edge of Platform 2” above

level, use 1/8” shim to raise 2” (TA-

BLE 14-1).

VEHICLE

FLOOR (REF)

EXTENSION

PLATE (REF)

11921 Slauson Ave. Santa Fe Springs, CA. 90670 (800) 227-4116 FAX (888) 771-7713

GRINDING PLATFORM STOPS

(CURBSIDE SHOWN)

FIG. 15-2

LOWER PLATFORM

EDGE (OUTBOARD)

THIS DISTANCE(“B”)

GRIND METAL

FROM PLATFORM

STOP

1” 1/16”

2” 1/8”

3” 3/16”

4” 1/4”

TABLE 15-1

6. LOWER the Platform, then RAISE it to

bed level. The outboard edge of Platform

should be level or up to 2” maximum above

bed level (FIG. 15-3).

GRIND THIS FACE

(SEE TABLE 15-2)

SHACKLE

(REF)

4. Compare measurement “B” (FIG.

15-1), with distances and grinding

depths in TABLE 15-1. For example:

if Measurement “B” (FIG. 15-1) is 3”

above bed level and you want to lower

the outboard edge of Platform to 1”

above bed level, grind 1/8” from each

Platform Stop (TABLE 15-1).

PLATFORM EDGE ABOVE BED LEVEL

FIG. 15-1

LEVEL LINE

“B”

5. Grind metal from Platform Stops (FIG.

15-2) to lower outboard edge of

Platform to correct position.

PLATFORM EDGE ABOVE BED LEVEL

FIG. 15-3

VEHICLE

FLOOR (REF)

EXTENSION

PLATE (REF)

LEVEL LINE

OUTBOARD EDGE

0” (LEVEL) - 2” MAX.

VEHICLE

FLOOR (REF)

EXTENSION

PLATE (REF)

11921 Slauson Ave. Santa Fe Springs, CA. 90670 (800) 227-4116 FAX (888) 771-7713

REFER TO PLATFORM &

FLIPOVER ASSEMBLY

REFER TO HYDRAULIC COMPONENTS

& PUMP BOX ASSEMBLY

ITEM QTY. PART NO. DESCRIPTION

1 4 900014-4 BOLT, HEX HEAD 3/8-16 X 1”

2 2 901011-5 NUT, HEX HEAD 3/8-16 UNC-2B

3 2 902001-2 WASHER, FLAT 3/8” X 1/16”

4 4 902011-4 WASHER, LOCK 3/8” X 15/16”

5 1 265743 CHANNEL, 3” X 4” X 67” LG. (ICC BUMPER)

6 2 264209 ANGLE, 2” X 2” X 1/4” X 14” LG. (ICC BUMPER)

REFER TO MAIN

FRAME ASSEMBLY

MAIN ASSEMBLY (ALUMINUM PLATFORM)

PARTS BREAKDOWN

REFER TO EXTENSION

PLATE ASSEMBLY

1 (4 PLACES)

4 (2 PLACES)

2 (2 PLACES)

4 (2 PLACES)

3 (2 PLACES)

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EXTENSION PLATE ASSEMBLY

ITEM QTY PART NO. DESCRIPTION

1 1 267707-01 EXTENSION PLATE ASSEMBLY

1A 1 267705-01 EXTENSION PLATE WELDMENT, 96”

2 2 267708-01 NYLON BUMPER

3 1 267715-01 WALKRAMP LATCH

4 2 267729-01 WALKRAMP PAD

5 1 267736-01 DOUBLE TORSION SPRING

6 2 900014-1 CAP SCREW, 3/8”-16 X 1-3/8” LG.

7 1 900014-15 CAP SCREW, 3/8”-16 X 4-1/2” LG.

8 4 900726-11 SOCKET SCREW, 5/16” X 2-1/4”

9 4 901001 LOCK NUT, 5/16”-18

10 3 901002 LOCK NUT, 3/8”-16

11 4 902000-8 FLAT WASHER, 3/16”

12 5 902000-10 FLAT WASHER, 3/8”

13 2 908094-01 FLANGE BEARING, 3/8” DIA X 3/8” LG.

(2 PLACES)

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MAIN FRAME ASSEMBLY

(6 PLACES)

23A

11921 Slauson Ave. Santa Fe Springs, CA. 90670 (800) 227-4116 FAX (888) 771-7713

ITEM QTY. PART NO. DESCRIPTION

1 8 030034 BOLT, 3/8”-24 X 1” LG.

2 4 030035 BOLT, 3/8”-24 X 1-1/4” LG.

3 2 040103-5 LOOM, 1/2” X 5” LG.

4 1 050175 MAXON PLATE

5 14 205780 PLASTIC TIE, 7” LG.

6 6 207644 RIVET, 3/16” X .40”

7 4 221416 ROLL PIN, 3/8” X 2” LG.

8 1 226363-01 TORSION SPRING, RH, 1/2” X 5-3/4”

9 1 226363-02 TORSION SPRING, LH, 1/2” X 5-3/4”

10 10 226941 LOCK NUT, 3/8”-24

11 2 229657 PIN WELDMENT

12 2 250310 PIN WELDMENT

13 2 253045 PIN WELDMENT

14 2 253047 ROLLER, 1”

15 2 262280 PIN WELDMENT

16 1 262322-01 LIFT ARM WELDMENT, LH

17 1 262322-02 LIFT ARM WELDMENT, RH

18 1 262396-01 LIFT FRAME WELDMENT, NO ROLLER

19 2 262437 BUSHING WELDMENT HOSE CLAMP

20 2 262440 PIN WELDMENT

21 2 264272 FLAT WASHER, 2-1/4”

22 2 265807-01 PIN WELDMENT, 1-3/8” X 13-1/8” LG.

23 1 265815-01 SHACKLE ASSEMBLY, LH

23A 2 905112-06 SELF LUBE BEARING, 1-3/8” X 3/8”

11921 Slauson Ave. Santa Fe Springs, CA. 90670 (800) 227-4116 FAX (888) 771-7713

MAIN FRAME ASSEMBLY - Continued

24A

28E

28C

28A

28D

28B

28F

27E

27F

27C

27A

27D

27B

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Maxon GPTWR-3 SERIES Maintenance Manual

Maxon GPTWR-3 SERIES Maintenance Manual

Maxon GPTWR-3 SERIES Maintenance Manual

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